JP6248194B2 - 多チャネルオーディオ符号化におけるノイズ充填 - Google Patents

多チャネルオーディオ符号化におけるノイズ充填 Download PDF

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JP6248194B2
JP6248194B2 JP2016528471A JP2016528471A JP6248194B2 JP 6248194 B2 JP6248194 B2 JP 6248194B2 JP 2016528471 A JP2016528471 A JP 2016528471A JP 2016528471 A JP2016528471 A JP 2016528471A JP 6248194 B2 JP6248194 B2 JP 6248194B2
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scale factor
factor band
channel
spectrum
band
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JP2016530557A (ja
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ルイス ヴァレーロ，マリア
ルイス ヴァレーロ，マリア
ヘルムリッヒ，クリスチャン
ヒルペルト，ヨハネス
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フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
JP2016528471A 2013-07-22 2014-07-18 多チャネルオーディオ符号化におけるノイズ充填 Active JP6248194B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13177356 2013-07-22
EP13177356.6 2013-07-22
EP13189450.3 2013-10-18
EP13189450.3A EP2830060A1 (fr) 2013-07-22 2013-10-18 Remplissage de bruit de codage audio multicanal
PCT/EP2014/065550 WO2015011061A1 (fr) 2013-07-22 2014-07-18 Introduction de bruit dans le codage audio multicanal

Publications (2)

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JP2016530557A JP2016530557A (ja) 2016-09-29
JP6248194B2 true JP6248194B2 (ja) 2017-12-13

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US (6) US10255924B2 (fr)
EP (5) EP2830060A1 (fr)
JP (1) JP6248194B2 (fr)
KR (2) KR101981936B1 (fr)
CN (2) CN112037804A (fr)
AR (1) AR096994A1 (fr)
AU (1) AU2014295171B2 (fr)
BR (5) BR112016001138B1 (fr)
CA (1) CA2918256C (fr)
ES (2) ES2746934T3 (fr)
HK (1) HK1246963A1 (fr)
MX (1) MX359186B (fr)
MY (1) MY179139A (fr)
PL (2) PL3252761T3 (fr)
PT (2) PT3025341T (fr)
RU (1) RU2661776C2 (fr)
SG (1) SG11201600420YA (fr)
TW (1) TWI566238B (fr)
WO (1) WO2015011061A1 (fr)
ZA (1) ZA201601077B (fr)

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EP3208800A1 (fr) 2016-02-17 2017-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil et procédé pour enregistrement stéréo dans un codage multi-canaux
DE102016104665A1 (de) * 2016-03-14 2017-09-14 Ask Industries Gmbh Verfahren und Vorrichtung zur Aufbereitung eines verlustbehaftet komprimierten Audiosignals
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US20230132885A1 (en) 2023-05-04
EP3252761A1 (fr) 2017-12-06
CN105706165A (zh) 2016-06-22
US20210358508A1 (en) 2021-11-18
CA2918256A1 (fr) 2015-01-29
CA2918256C (fr) 2019-08-27
RU2661776C2 (ru) 2018-07-19
KR101981936B1 (ko) 2019-05-27
WO2015011061A1 (fr) 2015-01-29
KR20160033770A (ko) 2016-03-28
US20190180762A1 (en) 2019-06-13
CN112037804A (zh) 2020-12-04
BR122022016310B1 (pt) 2023-03-07
AU2014295171B2 (en) 2017-09-21
RU2016105517A (ru) 2017-08-25
BR122022016307B1 (pt) 2023-03-07
KR101865205B1 (ko) 2018-06-07
US10978084B2 (en) 2021-04-13
JP2016530557A (ja) 2016-09-29
BR112016001138B1 (pt) 2023-01-17
TWI566238B (zh) 2017-01-11
US20200051577A1 (en) 2020-02-13
MX359186B (es) 2018-09-19
BR122022016343B1 (pt) 2023-03-07
BR122022016336B1 (pt) 2023-03-07
KR20180018857A (ko) 2018-02-21
EP2830060A1 (fr) 2015-01-28
PL3025341T3 (pl) 2018-02-28
ES2650549T3 (es) 2018-01-19
US10468042B2 (en) 2019-11-05
BR112016001138A2 (fr) 2017-07-25
EP3618068A1 (fr) 2020-03-04
ZA201601077B (en) 2017-11-29
PT3025341T (pt) 2017-12-06
AU2014295171A1 (en) 2016-03-10
US11594235B2 (en) 2023-02-28
CN105706165B (zh) 2020-07-14
US20240127837A1 (en) 2024-04-18
SG11201600420YA (en) 2016-02-26
EP4369335A1 (fr) 2024-05-15
AR096994A1 (es) 2016-02-10
HK1246963A1 (zh) 2018-09-14
MX2016000912A (es) 2016-05-05
EP3252761B1 (fr) 2019-08-21
TW201519220A (zh) 2015-05-16
ES2746934T3 (es) 2020-03-09
EP3618068C0 (fr) 2024-04-03
US20160140974A1 (en) 2016-05-19
EP3025341B1 (fr) 2017-09-06
EP3025341A1 (fr) 2016-06-01
US10255924B2 (en) 2019-04-09
EP3618068B1 (fr) 2024-04-03
PL3252761T3 (pl) 2020-02-28
US11887611B2 (en) 2024-01-30
PT3252761T (pt) 2019-11-11
MY179139A (en) 2020-10-28

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